String instrument headstock



FIG. 1 is a front upper-left isometric view of a string instrument headstock showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front upper-left isometric view of a second embodiment thereof;

FIG. 5 is a front view of a second embodiment; and,

FIG. 6 is a rear view of a second embodiment.

The wood grained pattern in FIG. 1 and the neck, string-retaining nut and holes for tuning devices that are shown in broken lines, are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a string instrument headstock, as shown and described. 